The Decathlon D900 Smart Trainer is a new high-end trainer from Decathlon that boasts a serious spec at a laughably low cost. It uses a 5.2kg flywheel to generate electromagnetic resistance of up to 2,000 watts and can simulate up to a 20% incline virtually. It has a claimed accuracy of +/-2%, meaning that at 200 watts it should read between 196 and 204 watts.
It comes fitted with a Shimano road 8/9/10/11/12 speed compatible freehub, while a